−0.8−0.6−0.4−0.200.201020
Filtered ECG SignalQ-peaksS-peaksQRS-onset-peaksQRS-offset-peaksTpeaks-peaksTon-peaksToff-peaksP-peaksPon-peaksPoff-peaksRFB PeriodPeriodR-peaks--RamanujanPPPP